/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.apache.dolphinscheduler.api.controller;

import static org.apache.dolphinscheduler.api.enums.Status.CREATE_CLUSTER_ERROR;
import static org.apache.dolphinscheduler.api.enums.Status.DELETE_CLUSTER_ERROR;
import static org.apache.dolphinscheduler.api.enums.Status.QUERY_CLUSTER_BY_CODE_ERROR;
import static org.apache.dolphinscheduler.api.enums.Status.QUERY_CLUSTER_ERROR;
import static org.apache.dolphinscheduler.api.enums.Status.UPDATE_CLUSTER_ERROR;
import static org.apache.dolphinscheduler.api.enums.Status.VERIFY_CLUSTER_ERROR;

import org.apache.dolphinscheduler.api.aspect.AccessLogAnnotation;
import org.apache.dolphinscheduler.api.exceptions.ApiException;
import org.apache.dolphinscheduler.api.service.ClusterService;
import org.apache.dolphinscheduler.api.utils.Result;
import org.apache.dolphinscheduler.common.constants.Constants;
import org.apache.dolphinscheduler.dao.entity.User;
import org.apache.dolphinscheduler.plugin.task.api.utils.ParameterUtils;
import org.apache.dolphinscheduler.dao.entity.User;

import springfox.documentation.annotations.ApiIgnore;

import java.util.Map;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.http.HttpStatus;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestAttribute;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.ResponseStatus;
import org.springframework.web.bind.annotation.RestController;

import io.swagger.annotations.Api;
import io.swagger.annotations.ApiImplicitParam;
import io.swagger.annotations.ApiImplicitParams;
import io.swagger.annotations.ApiOperation;

/**
 * cluster controller
 */
@Api(tags = "CLUSTER_TAG")
@RestController
@RequestMapping("cluster")
public class ClusterController extends BaseController {

  @Autowired
  private ClusterService clusterService;

  /**
   * create cluster
   *
   * @param loginUser   login user
   * @param name        cluster name
   * @param config      config
   * @param description description
   * @return returns an error if it exists
   */
  @ApiOperation(value = "createCluster", notes = "CREATE_CLUSTER_NOTES")
  @ApiImplicitParams({
      @ApiImplicitParam(name = "name", value = "CLUSTER_NAME", required = true, dataTypeClass = String.class),
      @ApiImplicitParam(name = "config", value = "CLUSTER_CONFIG", required = true, dataTypeClass = String.class),
      @ApiImplicitParam(name = "description", value = "CLUSTER_DESC", dataTypeClass = String.class)
  })
  @PostMapping(value = "/create")
  @ResponseStatus(HttpStatus.CREATED)
  @ApiException(CREATE_CLUSTER_ERROR)
  @AccessLogAnnotation(ignoreRequestArgs = "loginUser")
  public Result createProject(@ApiIgnore @RequestAttribute(value = Constants.SESSION_USER) User loginUser,
                              @RequestParam("name") String name,
                              @RequestParam("config") String config,
                              @RequestParam(value = "description", required = false) String description) {

    Map<String, Object> result = clusterService.createCluster(loginUser, name, config, description);
    return returnDataList(result);
  }

  /**
   * update cluster
   *
   * @param loginUser   login user
   * @param code        cluster code
   * @param name        cluster name
   * @param config      cluster config
   * @param description description
   * @return update result code
   */
  @ApiOperation(value = "updateCluster", notes = "UPDATE_CLUSTER_NOTES")
  @ApiImplicitParams({
      @ApiImplicitParam(name = "code", value = "CLUSTER_CODE", required = true, dataTypeClass = long.class, example = "100"),
      @ApiImplicitParam(name = "name", value = "CLUSTER_NAME", required = true, dataTypeClass = String.class),
      @ApiImplicitParam(name = "config", value = "CLUSTER_CONFIG", required = true, dataTypeClass = String.class),
      @ApiImplicitParam(name = "description", value = "CLUSTER_DESC", dataTypeClass = String.class),
  })
  @PostMapping(value = "/update")
  @ResponseStatus(HttpStatus.OK)
  @ApiException(UPDATE_CLUSTER_ERROR)
  @AccessLogAnnotation(ignoreRequestArgs = "loginUser")
  public Result updateCluster(@ApiIgnore @RequestAttribute(value = Constants.SESSION_USER) User loginUser,
                              @RequestParam("code") Long code,
                              @RequestParam("name") String name,
                              @RequestParam("config") String config,
                              @RequestParam(value = "description", required = false) String description) {
    Map<String, Object> result = clusterService.updateClusterByCode(loginUser, code, name, config, description);
    return returnDataList(result);
  }

  /**
   * query cluster details by code
   *
   * @param clusterCode cluster code
   * @return cluster detail information
   */
  @ApiOperation(value = "queryClusterByCode", notes = "QUERY_CLUSTER_BY_CODE_NOTES")
  @ApiImplicitParams({
      @ApiImplicitParam(name = "clusterCode", value = "CLUSTER_CODE", required = true, dataTypeClass = long.class, example = "100")
  })
  @GetMapping(value = "/query-by-code")
  @ResponseStatus(HttpStatus.OK)
  @ApiException(QUERY_CLUSTER_BY_CODE_ERROR)
  @AccessLogAnnotation(ignoreRequestArgs = "loginUser")
  public Result queryClusterByCode(@ApiIgnore @RequestAttribute(value = Constants.SESSION_USER) User loginUser,
                                   @RequestParam("clusterCode") Long clusterCode) {

    Map<String, Object> result = clusterService.queryClusterByCode(clusterCode);
    return returnDataList(result);
  }

  /**
   * query cluster list paging
   *
   * @param searchVal search value
   * @param pageSize  page size
   * @param pageNo    page number
   * @return cluster list which the login user have permission to see
   */
  @ApiOperation(value = "queryClusterListPaging", notes = "QUERY_CLUSTER_LIST_PAGING_NOTES")
  @ApiImplicitParams({
      @ApiImplicitParam(name = "searchVal", value = "SEARCH_VAL", dataTypeClass = String.class),
      @ApiImplicitParam(name = "pageSize", value = "PAGE_SIZE", required = true, dataTypeClass = int.class, example = "20"),
      @ApiImplicitParam(name = "pageNo", value = "PAGE_NO", required = true, dataTypeClass = int.class, example = "1")
  })
  @GetMapping(value = "/list-paging")
  @ResponseStatus(HttpStatus.OK)
  @ApiException(QUERY_CLUSTER_ERROR)
  @AccessLogAnnotation(ignoreRequestArgs = "loginUser")
  public Result queryClusterListPaging(@ApiIgnore @RequestAttribute(value = Constants.SESSION_USER) User loginUser,
                                       @RequestParam(value = "searchVal", required = false) String searchVal,
                                       @RequestParam("pageSize") Integer pageSize,
                                       @RequestParam("pageNo") Integer pageNo) {

    Result result = checkPageParams(pageNo, pageSize);
    if (!result.checkResult()) {
      return result;
    }
    searchVal = ParameterUtils.handleEscapes(searchVal);
    result = clusterService.queryClusterListPaging(pageNo, pageSize, searchVal);
    return result;
  }

  /**
   * delete cluster by code
   *
   * @param loginUser   login user
   * @param clusterCode cluster code
   * @return delete result code
   */
  @ApiOperation(value = "deleteClusterByCode", notes = "DELETE_CLUSTER_BY_CODE_NOTES")
  @ApiImplicitParams({
      @ApiImplicitParam(name = "clusterCode", value = "CLUSTER_CODE", required = true, dataTypeClass = long.class, example = "100")
  })
  @PostMapping(value = "/delete")
  @ResponseStatus(HttpStatus.OK)
  @ApiException(DELETE_CLUSTER_ERROR)
  @AccessLogAnnotation(ignoreRequestArgs = "loginUser")
  public Result deleteCluster(@ApiIgnore @RequestAttribute(value = Constants.SESSION_USER) User loginUser,
                              @RequestParam("clusterCode") Long clusterCode) {

    Map<String, Object> result = clusterService.deleteClusterByCode(loginUser, clusterCode);
    return returnDataList(result);
  }

  /**
   * query all cluster list
   *
   * @param loginUser login user
   * @return all cluster list
   */
  @ApiOperation(value = "queryAllClusterList", notes = "QUERY_ALL_CLUSTER_LIST_NOTES")
  @GetMapping(value = "/query-cluster-list")
  @ResponseStatus(HttpStatus.OK)
  @ApiException(QUERY_CLUSTER_ERROR)
  @AccessLogAnnotation(ignoreRequestArgs = "loginUser")
  public Result queryAllClusterList(@ApiIgnore @RequestAttribute(value = Constants.SESSION_USER) User loginUser) {
    Map<String, Object> result = clusterService.queryAllClusterList();
    return returnDataList(result);
  }

  /**
   * verify cluster and cluster name
   *
   * @param loginUser   login user
   * @param clusterName cluster name
   * @return true if the cluster name not exists, otherwise return false
   */
  @ApiOperation(value = "verifyCluster", notes = "VERIFY_CLUSTER_NOTES")
  @ApiImplicitParams({
      @ApiImplicitParam(name = "clusterName", value = "CLUSTER_NAME", required = true, dataTypeClass = String.class)
  })
  @PostMapping(value = "/verify-cluster")
  @ResponseStatus(HttpStatus.OK)
  @ApiException(VERIFY_CLUSTER_ERROR)
  @AccessLogAnnotation(ignoreRequestArgs = "loginUser")
  public Result verifyCluster(@ApiIgnore @RequestAttribute(value = Constants.SESSION_USER) User loginUser,
                              @RequestParam(value = "clusterName") String clusterName) {
    Map<String, Object> result = clusterService.verifyCluster(clusterName);
    return returnDataList(result);
  }
}
